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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.
Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.
Illicit drug use costs the United States approximately $181 billion every year.
![On average, the ratio of carbon to nitrogen is much higher in terrestrial plants than in other major](https://biology-forums.com/gallery/47/medium_33_09_09_11_10_11_47_16972494.jpeg)
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